JVET-Q0503: encoder only improvement (4 items) of palette mode
JVET-Q0712: fix palette encoder issue at high QPs. Fix on top of the optimized table in JVET-Q0503.

JVET-Q0806 Geo related adoptions (JVET-Q0059, JVET-Q0077, JVET-Q0123, JVET-Q0188, JVET-Q0242_GEO, JVET-Q0309, JVET-Q0365 and JVET-Q0370)

initial commit of JVET_O0119_BASE_PALETTE_444: palette in HEVC and palette mode coding in JVET-N0258

use m_pcEncCfg->getUseAffineAmvrEncOpt() to control the effect of m_pcEncCfg->getIntraPeriod() != ( uint32_t ) -1, i.e., low delay setting.

Moonmo Koo authored 5 years ago and Frank Bossen committed 5 years ago

- Previous name: Reduced Secondary Transform (RST)
- The parameter, LFNST, should be added in cfg file for enabing LFNST, i.e. LFNST = 1

- Harmonize coefficient group sizes of chroma TBs to those used in luma TBs
- For 2x4/4x2 chroma TBs, retain 2x2 CG size.